Fix unit test style in Source/platform/, part 1.

Source/platform/animation/UnitBezierTest.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 #include "config.h"
-
 #include "platform/animation/UnitBezier.h"
 
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 TEST(UnitBezierTest, BasicUse)
 {
     UnitBezier bezier(0.5, 1.0, 0.5, 1.0);
     EXPECT_EQ(0.875, bezier.solve(0.5, 0.005));
 }
 
 TEST(UnitBezierTest, Overshoot)
 {
     UnitBezier bezier(0.5, 2.0, 0.5, 2.0);
@@ skipping 41 matching lines @@
     EXPECT_EQ(1.0, bezier.solve(2.0, 0.005));
 }
 
 TEST(UnitBezierTest, InputOutOfRangeDistinctEndpoints)
 {
     UnitBezier bezier(0.1, 0.2, 0.8, 0.8);
     EXPECT_EQ(-2.0, bezier.solve(-1.0, 0.005));
     EXPECT_EQ(2.0, bezier.solve(2.0, 0.005));
 }
 
-} // namespace
+} // namespace blink